On 22/11/2022 13:44, hede wrote:
>
>>> Whilst I had mistakenly believed that CentOS was a freeware, open source
>>> kind of MacOS clone,
>
> CentOS was derived from Red Hat Enterprise Linux and was mostly
> compatible to RHEL.
> "May God rest its soul."
>
>>> and found that it is not, when I searched for it, I
>>> had understood that a freeware, open source kind of MacOS kind of clone,
>>> is available, and, when I searched on the three word combination - open
>>> source macos - I found, in the results, the above URL.
>>>
>>> So, as an observer, I wonder whether licencing restrictions apply, to
>>> running MacOS on Linux, as a virtual machine.
>>
>> If you click through the links on that page, it looks like Apple is
>> just linking to the source code for open source components used in
>> their operating systems (things like awk, bash, bind, bzip, etc.), but
>> the operating systems themselves are certainly not open source, and
>> cannot be legally used except in accordance with Apple's license terms
>> and / or applicable law.
>
> Darwin is the core of modern Apple OSes. It is Open Source and POSIX
> compatible.
> https://en.wikipedia.org/wiki/Darwin_(operating_system)
>
> But there are plenty of Closed Source parts missing to form either macOS
> or iOS from it. Both - macOS and iOS - are proprietary OSes where you
> have strict license terms to fulfill to use it. One of them is - AFAIK
> - buying Apple Hardware and running the OS only on Apples Hardware.
>
MacOSX was originally based on FREEBSD which at the time probably about
15 years ago I was using BSD for servers in offices and I remember one
of the senior developers in BSD land went to work for Apple, I can
remember my delight when I discovered I could summon vi in a terminal on
a mac
--
Martin
Mario.